diff --git a/detections/endpoint/office_product_spawning_bitsadmin.yml b/detections/endpoint/office_product_spawning_bitsadmin.yml index 8071a77dcc..792beb1e47 100644 --- a/detections/endpoint/office_product_spawning_bitsadmin.yml +++ b/detections/endpoint/office_product_spawning_bitsadmin.yml @@ -7,28 +7,33 @@ type: batch datamodel: - Endpoint description: The following detection identifies the latest behavior utilized by different - malware families (including TA551, IcedID). This detection identifies any Windows Office Product spawning `bitsadmin.exe`. In malicious instances, the command-line of `bitsadmin.exe` - will contain a URL to a remote destination or similar command-line arguments as `/transfer /Download /priority Foreground`. In addition, Threat - Research has released a detections identifying suspicious use of `bitsadmin.exe`. In this instance, we narrow our detection down - to the Office suite as a parent process. During triage, review all file modifications. - Capture and analyze any artifacts on disk. The Office Product, or `bitsadmin.exe` will - have reached out to a remote destination, capture and block the IPs or domain. Review - additional parallel processes for further activity. + malware families (including TA551, IcedID). This detection identifies any Windows + Office Product spawning `bitsadmin.exe`. In malicious instances, the command-line + of `bitsadmin.exe` will contain a URL to a remote destination or similar command-line + arguments as `/transfer /Download /priority Foreground`. In addition, Threat Research + has released a detections identifying suspicious use of `bitsadmin.exe`. In this + instance, we narrow our detection down to the Office suite as a parent process. + During triage, review all file modifications. Capture and analyze any artifacts + on disk. The Office Product, or `bitsadmin.exe` will have reached out to a remote + destination, capture and block the IPs or domain. Review additional parallel processes + for further activity. search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where Processes.parent_process_name IN ("winword.exe","excel.exe","powerpnt.exe","mspub.exe","visio.exe") Processes.process_name=bitsadmin.exe - by Processes.dest Processes.user Processes.parent_process Processes.process_name Processes.process Processes.process_id Processes.parent_process_id - | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)` | `office_product_spawning_bitsadmin_filter`' + by Processes.dest Processes.user Processes.parent_process Processes.process_name + Processes.process Processes.process_id Processes.parent_process_id | `drop_dm_object_name(Processes)` + | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)` | `office_product_spawning_bitsadmin_filter`' how_to_implement: To successfully implement this search you need to be ingesting information on process that include the name of the process responsible for the changes from your endpoints into the `Endpoint` datamodel in the `Processes` node. known_false_positives: No false positives known. Filter as needed. references: - - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1197/T1197.md +- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1197/T1197.md tags: analytic_story: - Spearphishing Attachments - dataset: [] + dataset: + - https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1566.001/macro/windows-sysmon_macros.log kill_chain_phases: - Exploitation mitre_attack_id: @@ -45,4 +50,5 @@ tags: - dest - user - parent_process_id - security_domain: endpoint \ No newline at end of file + security_domain: endpoint + automated_detection_testing: passed